<dependency>
  <groupId>org.webjars.bower</groupId>
  <artifactId>polymer</artifactId>
  <version>2.4.0</version>
</dependency>

implementation 'org.webjars.bower:polymer:2.4.0'

implementation("org.webjars.bower:polymer:2.4.0")

libraryDependencies += "org.webjars.bower" % "polymer" % "2.4.0"

@Grapes(
  @Grab(group='org.webjars.bower', module='polymer', version='2.4.0')
)

<dependency org="org.webjars.bower" name="polymer" rev="2.4.0" />

[org.webjars.bower/polymer "2.4.0"]

'org.webjars.bower:polymer:jar:2.4.0'